class MyThread extends Thread{
    @Override
    public void run(){
        System.out.println("i");
    }
}
class MyRunable implements Runnable{
    @Override
    public void run(){
        System.out.println("j");
    }
}
public class Demo45 {
    public static void main(String[] args) {
MyThread myThread = new MyThread();
MyRunable myRunable = new MyRunable();

        System.out.println(Thread.currentThread());
    }
}
